National Benefit Services, Inc. is an organization that provides services related to retirement plans, particularly focusing on pre-approved pension plans such as Defined Benefit and Cash Balance plans. Their publications primarily address compliance with Internal Revenue Code and IRS regulations, including required restatements of pension plans and legislative updates like the SECURE 2.0 Act. They offer guidance on plan administration, amendments, and operational checklists to help employers manage retirement plans effectively. Topics often include plan restatement deadlines, legislative impacts on retirement savings, transitioning between plan types (e.g., SIMPLE IRA to 401(k)), and strategies to improve plan success such as increasing deferral rates.